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PI

PI Institutional Holdings & 13F Data

Impinj INC

-$2.3B

Net Activity

Institutions Holding

290

Popularity Rank

#2063

Avg Weight

0.17%

Total Value

$3.3B

Ownership Trend

290 institutions currently hold PI, with 163 net buyers and 168 net sellers this quarter.

Institutional Moves

Institutional Moves (Q1 2026)

Neutral

Based on recent trading activity

Net Selling Institutions

168

Net Buying Institutions

163

Key Holders

Key Holders

Top 5 by Value

BI
BlackRock, Inc.
$443.0M
FL
FMR LLC
$439.6M
VP
Vanguard Portfolio Management LLC
$219.8M
SS
State Street CORP
$152.5M
CI
Capital International Investors
$138.9M

Top 5 by Conviction

SC
Sylebra Capital LLC
15.03%
AI
AWM Investment Company, Inc.
2.35%
EA
Emerald Advisers, LLC
0.59%
EM
Emerald Mutual Fund Advisers Trust
0.55%
WR
Whale Rock Capital Management LLC
0.54%
View all 290 holding institutions

Across its top 20 institutional holders, PI's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 9/100, avg. turnover score 31/100).

Quarterly Activity

Recent Activity

+$1.9B

Total Buy Value

$2.4B

Total Sell Value

New buy41
Trim84
Add122
Sold out84

163

Net Buyers

168

Net Sellers

Smart Money Convergence

PI does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.

13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

No Form 144 planned sale filings in the last 90 days

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

No Form 8-K filings for this ticker

CUSIP

453204109

FAQ

Who are the top institutional investors holding IMPINJ INC (PI)?
Major stakeholders currently include BlackRock, Inc. ($443.0M), FMR LLC ($439.6M), Vanguard Portfolio Management LLC ($219.8M). Based on the latest 13F filings, there are a total of 290 tracked investment funds and institutions maintaining positions in PI.
What is the overall institutional sentiment toward PI recently?
Institutional sentiment appears Bearish (Net Selling). During the most recent reporting quarter, the stock experienced a net outflow of $2.3B, driven by 163 managers accumulating shares while 168 reduced their exposure.
Which institutions have been selling or reducing their PI positions?
In the latest period, 84 funds trimmed their holdings, and 84 managers completely exited their positions. The aggregate reported sell value was $2.4B.
Are there any notable investors adding PI to their portfolios?
Yes, buying activity remains notable. 41 institutions opened new positions in {ticker}, and 122 existing holders added to their shares. The total reported buy value for the quarter amounted to $1.9B.

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Trending Institutional Adds

The most-added stocks by 13F institutions this quarter

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